A walk through nature will bring to attention the beautiful colors around us—clear blue in the sky, vibrant yellow radiating from the sun, and incredible shades of green. A child's first introduction ...

St. Patrick’s Day usually conjures images of partying, Catholicism, Irish nationalism and, perhaps most famously, the color ...

Red, green and blue filters each transmit a single primary colour. Any other colours present in the light are absorbed. A red filter only transmits red light. It absorbs blue light and green light.